Replacing transmission need help finding the model number

1983 CHEVROLET TRUCK
100,000 MILES • 7.4L • V8 • AUTOMATIC
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HANS RASMUSSEN
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I have a truck with a 454 big block and I'm not sure what kind of transmission is in the truck? I know it is a automatic but i need help finding the model number. That way i can somewhat teach myself alongside the mechanic i'm doing it with, how to take it out to have it rebuild. then i can put it back in.
Oct 24, 2019 at 7:11 AM
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HANS RASMUSSEN
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Outside of truck.
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Oct 24, 2019 at 7:13 AM
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HANS RASMUSSEN
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Engine.
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Oct 24, 2019 at 7:14 AM
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ASEMASTER6371
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Good morning,

I attached a picture of the pans for the transmission. I circled the 2 possibilities for you to view. They offered both transmissions for this year and engine.

Match up the pan with the picture and the type is below the pan.

Roy
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Oct 24, 2019 at 8:07 AM
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HANS RASMUSSEN
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Thanks Roy. I will check the pans tomorrow on my day off and let you know what I found. Thanks a million Roy.

Hans
Oct 26, 2019 at 10:11 PM
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ASEMASTER6371
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You are welcome.

Always glad to help.

Roy
Oct 27, 2019 at 5:09 AM
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HANS RASMUSSEN
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It is the second one. It is the 700 r4 transmission.
Oct 27, 2019 at 6:23 PM
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ASEMASTER6371
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Good. That is a good transmission.

You can go the ATSG guides and they provide a manual for doing an overhaul.

Roy
Oct 27, 2019 at 7:27 PM
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HANS RASMUSSEN
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Thank you. I'll get on that.
Oct 28, 2019 at 7:13 AM
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ASEMASTER6371
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You are welcome.
Oct 28, 2019 at 7:22 AM
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HANS RASMUSSEN
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By the way. I got it pulled out and everything rolls and moves okay. I was able to dis-engage the 4-wheel drive and put in neutral so it rolled. She looks a lot better now that the tires are aired up and surprisingly holding air too.
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Oct 28, 2019 at 7:52 AM
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ASEMASTER6371
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Love the old square bodies.

Roy
Oct 28, 2019 at 2:50 PM
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HANS RASMUSSEN
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Hey Roy, Do you know of any videos or guides on how to remove this specif type of transmission for these older trucks? Thanks, Hans
Oct 30, 2019 at 7:28 AM
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ASEMASTER6371
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YouTube video.

Roy

https://www.youtube.com/watch?v=zUf9sGia-MM
Oct 30, 2019 at 9:29 AM
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HANS RASMUSSEN
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Thanks, I have Friday - Sunday to work on it so i should be able to get er done. Thanks for all your Help Roy. Hans
Oct 31, 2019 at 7:12 AM
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ASEMASTER6371
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Sounds good.

Roy
Oct 31, 2019 at 9:05 AM